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Finding the Fourth Proportional to 550,237.96, 759,005.94 and 345,965.18

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Solution

The fourth proportional to 550,237.96, 759,005.94 and 345,965.18 is: 477,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,237.96 : 759,005.94 = 345,965.18 : x
  2. Step 2: Convert to fraction form
    550,237.96/759,005.94 = 345,965.18/x
  3. Step 3: Cross multiply
    550,237.96x = 759,005.94 × 345,965.18
  4. Step 4: Simplify right side
    550,237.96x = 262,589,624,155.51
  5. Step 5: Solve for x
    x = 262,589,624,155.51/550,237.96
  6. Step 6: Final answer
    x = 477,229.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.